package com.xxx.crypto;

import java.io.IOException;
import java.io.OutputStream;

/**
 * @Auther: Pzs
 * @Date: 2019/1/31 22:20
 * @Description:
 */
public class IOUtil {

    /**
     * Excel处理csv格式乱码
     * @param outputStream
     * @return
     * @throws IOException
     */
    public static OutputStream getExcelOutputStream(OutputStream outputStream) throws IOException {
        outputStream.write(new byte []{( byte ) 0xEF ,( byte ) 0xBB ,( byte ) 0xBF });
        return outputStream;
    }

}
